Bird flu infects many species, including wild animals, according to the United Nations. Ducks, quail and at least one eagle ...

Critics of the idea that the North American wild horse is a native animal, using only selected paleontological data, assert that the species, E. caballus (or the caballoid horse), which was introduced ...

Dairy cattle in Nevada have been infected with a new type of bird flu that's different from the version that has spread in ...

Birds are vertebrate animals adapted for flight. Many can also run, jump, swim, and dive. Some, like penguins, have lost the ability to fly but retained their wings. Birds are found worldwide and ...